EP4234507A4 - Multicore optical fiber - Google Patents
Multicore optical fiber Download PDFInfo
- Publication number
- EP4234507A4 EP4234507A4 EP21882675.8A EP21882675A EP4234507A4 EP 4234507 A4 EP4234507 A4 EP 4234507A4 EP 21882675 A EP21882675 A EP 21882675A EP 4234507 A4 EP4234507 A4 EP 4234507A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- optical fiber
- multicore optical
- multicore
- fiber
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02042—Multicore optical fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/104—Coating to obtain optical fibres
- C03C25/105—Organic claddings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02319—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
- G02B6/02333—Core having higher refractive index than cladding, e.g. solid core, effective index guiding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
- C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/26—Parabolic or graded index [GRIN] core profile
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/34—Plural core other than bundles, e.g. double core
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020177977 | 2020-10-23 | ||
PCT/JP2021/037886 WO2022085534A1 (en) | 2020-10-23 | 2021-10-13 | Multicore optical fiber |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4234507A1 EP4234507A1 (en) | 2023-08-30 |
EP4234507A4 true EP4234507A4 (en) | 2024-04-03 |
Family
ID=81290761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21882675.8A Pending EP4234507A4 (en) | 2020-10-23 | 2021-10-13 | Multicore optical fiber |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230333311A1 (en) |
EP (1) | EP4234507A4 (en) |
JP (1) | JPWO2022085534A1 (en) |
CN (1) | CN116368105A (en) |
WO (1) | WO2022085534A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023182227A1 (en) * | 2022-03-24 | 2023-09-28 | 住友電気工業株式会社 | Multicore optical fiber |
WO2023189621A1 (en) * | 2022-03-30 | 2023-10-05 | 住友電気工業株式会社 | Multicore optical fiber |
WO2024161793A1 (en) * | 2023-01-31 | 2024-08-08 | 住友電気工業株式会社 | Multicore optical fiber |
JP7505664B1 (en) | 2023-01-31 | 2024-06-25 | 住友電気工業株式会社 | Multi-core optical fiber |
WO2024190234A1 (en) * | 2023-03-15 | 2024-09-19 | 住友電気工業株式会社 | Multicore optical fiber |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110222828A1 (en) * | 2010-03-10 | 2011-09-15 | Sumitomo Electric Industries, Ltd. | Multi-core optical fiber |
US20170003445A1 (en) * | 2015-06-30 | 2017-01-05 | Corning Incorporated | Optical fiber with large effective area and low bending loss |
US20180224607A1 (en) * | 2017-02-07 | 2018-08-09 | Corning Incorporated | Optical fiber for silicon photonics |
WO2019079690A1 (en) * | 2017-10-20 | 2019-04-25 | Corning Incorporated | Methods of making halogen-doped silica |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9618692B2 (en) | 2014-07-10 | 2017-04-11 | Corning Incorporated | High chlorine content low attenuation optical fiber |
WO2017170652A1 (en) * | 2016-04-01 | 2017-10-05 | 株式会社フジクラ | Optical fiber and method for manufacturing same |
JP2019101363A (en) * | 2017-12-07 | 2019-06-24 | 株式会社フジクラ | Multi-core fiber |
JP7194921B2 (en) | 2019-04-16 | 2022-12-23 | パナソニックIpマネジメント株式会社 | Semiconductor device manufacturing method |
WO2021040687A1 (en) * | 2019-08-26 | 2021-03-04 | Corning Incorporated | Multicore fiber crosstalk sensor with matched effective index |
-
2021
- 2021-10-13 CN CN202180070800.9A patent/CN116368105A/en active Pending
- 2021-10-13 EP EP21882675.8A patent/EP4234507A4/en active Pending
- 2021-10-13 JP JP2022557042A patent/JPWO2022085534A1/ja active Pending
- 2021-10-13 WO PCT/JP2021/037886 patent/WO2022085534A1/en unknown
- 2021-10-13 US US18/026,615 patent/US20230333311A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110222828A1 (en) * | 2010-03-10 | 2011-09-15 | Sumitomo Electric Industries, Ltd. | Multi-core optical fiber |
US20170003445A1 (en) * | 2015-06-30 | 2017-01-05 | Corning Incorporated | Optical fiber with large effective area and low bending loss |
US20180224607A1 (en) * | 2017-02-07 | 2018-08-09 | Corning Incorporated | Optical fiber for silicon photonics |
WO2019079690A1 (en) * | 2017-10-20 | 2019-04-25 | Corning Incorporated | Methods of making halogen-doped silica |
Non-Patent Citations (1)
Title |
---|
See also references of WO2022085534A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2022085534A1 (en) | 2022-04-28 |
CN116368105A (en) | 2023-06-30 |
JPWO2022085534A1 (en) | 2022-04-28 |
EP4234507A1 (en) | 2023-08-30 |
US20230333311A1 (en) | 2023-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20230331 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20240305 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C03B 37/014 20060101ALN20240228BHEP Ipc: G02B 6/02 20060101ALI20240228BHEP Ipc: C03C 13/04 20060101AFI20240228BHEP |